GB2335489B - A detector - Google Patents

A detector

Info

Publication number
GB2335489B
GB2335489B GB9906197A GB9906197A GB2335489B GB 2335489 B GB2335489 B GB 2335489B GB 9906197 A GB9906197 A GB 9906197A GB 9906197 A GB9906197 A GB 9906197A GB 2335489 B GB2335489 B GB 2335489B
Authority
GB
United Kingdom
Prior art keywords
detector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9906197A
Other versions
GB9906197D0 (en
GB2335489A (en
Inventor
Bernard Etienne Henri Laluvein
Paul Basham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thorn Security Ltd
Original Assignee
Thorn Security Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thorn Security Ltd filed Critical Thorn Security Ltd
Publication of GB9906197D0 publication Critical patent/GB9906197D0/en
Publication of GB2335489A publication Critical patent/GB2335489A/en
Application granted granted Critical
Publication of GB2335489B publication Critical patent/GB2335489B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
GB9906197A 1998-03-19 1999-03-17 A detector Expired - Fee Related GB2335489B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9805949.6A GB9805949D0 (en) 1998-03-19 1998-03-19 A detector
US09/272,377 US6255651B1 (en) 1998-03-19 1999-03-19 Detector

Publications (3)

Publication Number Publication Date
GB9906197D0 GB9906197D0 (en) 1999-05-12
GB2335489A GB2335489A (en) 1999-09-22
GB2335489B true GB2335489B (en) 2002-02-27

Family

ID=26313317

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9805949.6A Ceased GB9805949D0 (en) 1998-03-19 1998-03-19 A detector
GB9906197A Expired - Fee Related GB2335489B (en) 1998-03-19 1999-03-17 A detector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9805949.6A Ceased GB9805949D0 (en) 1998-03-19 1998-03-19 A detector

Country Status (2)

Country Link
US (1) US6255651B1 (en)
GB (2) GB9805949D0 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3471342B2 (en) * 2001-11-30 2003-12-02 国際技術開発株式会社 Flame detector
JP5109079B2 (en) * 2007-05-24 2012-12-26 ニッタン株式会社 Flame detector
US9587987B2 (en) 2012-03-12 2017-03-07 Honeywell International Inc. Method and device for detection of multiple flame types
JP2014197296A (en) * 2013-03-29 2014-10-16 能美防災株式会社 Flame detector
JP2014197299A (en) * 2013-03-29 2014-10-16 能美防災株式会社 Flame detector
EP3164831A4 (en) 2014-07-04 2018-02-14 Light Labs Inc. Methods and apparatus relating to detection and/or indicating a dirty lens condition
US9928727B2 (en) 2015-07-28 2018-03-27 Carrier Corporation Flame detectors
US9806125B2 (en) 2015-07-28 2017-10-31 Carrier Corporation Compositionally graded photodetectors
US9865766B2 (en) 2015-07-28 2018-01-09 Carrier Corporation Ultraviolet photodetectors and methods of making ultraviolet photodetectors
US10126165B2 (en) 2015-07-28 2018-11-13 Carrier Corporation Radiation sensors
US10225445B2 (en) * 2015-12-18 2019-03-05 Light Labs Inc. Methods and apparatus for providing a camera lens or viewing point indicator
US10003738B2 (en) * 2015-12-18 2018-06-19 Light Labs Inc. Methods and apparatus for detecting and/or indicating a blocked sensor or camera module
JP6134026B1 (en) * 2016-03-08 2017-05-24 深田工業株式会社 Flame detector
JP6682147B2 (en) * 2016-12-13 2020-04-15 深田工業株式会社 Flame detector
WO2018198504A1 (en) 2017-04-27 2018-11-01 深田工業株式会社 Abnormality detector

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311167A (en) * 1991-08-14 1994-05-10 Armtec Industries Inc. UV/IR fire detector with dual wavelength sensing IR channel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3279061D1 (en) 1981-04-16 1988-10-27 Emi Ltd Flame detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311167A (en) * 1991-08-14 1994-05-10 Armtec Industries Inc. UV/IR fire detector with dual wavelength sensing IR channel

Also Published As

Publication number Publication date
GB9906197D0 (en) 1999-05-12
US6255651B1 (en) 2001-07-03
GB2335489A (en) 1999-09-22
GB9805949D0 (en) 1998-05-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160317